import java.util.*;

public class RTLGlobalSymbolTable {
    Map<String, EntryInfo> table;
    
    public RTLGlobalSymbolTable(){
	table =  new HashMap<String, EntryInfo>();
    }

    public boolean insert(String s, EntryInfo t)
    {
	if (table.get(s) != null)
	    return false;
	table.put(s,t);
	return true;
    }
    
    
    public EntryInfo lookup(String s) {
	return table.get(s);
    }
    
}